ORG.oclc.gadgets
Class ImageNav

java.lang.Object
  |
  +--ORG.oclc.gadgets.ImageNav

public class ImageNav

extends Object

implements GadgetBuilder

The ImageNav class is a gadget that builds the HTML for the thumbnail display of images from a newton database containing binary images. It uses the parameters contained in a RequestManager object and the parameters for the gadget read from the configuration files to build the appropriate output. If an error occurs, an empty string("") is returned.

The parameters to the gadget are:
width - the HTML width parameter for scaling the thumbnail
height - the HTML height parameter for scaling the thumbnail
pagesize - the number of thumbnails to display where default is 5.

The HTML generated contains a minimal set of search information about the current record and also links to pull in the thumbnail pages for the record. For records that have more images than the specified pagesize, previous and next links are set up to navigate the thumbnails.

Constructor Summary

ImageNav()
Constructs an ImageNav object.

Method Summary

String	buildit(RequestManager rMngr, String name) Generates a String containing the HTML for the image thumbnails using the parameters containined in the RequestManager object and the name of the gadget.
String	toString() Generates a String representation of the object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ImageNav

public ImageNav()

Constructs an ImageNav object.

Method Detail

buildit

public String buildit(RequestManager rMngr,
                      String name)

Generates a String containing the HTML for the image thumbnails using the parameters containined in the RequestManager object and the name of the gadget.

Specified by:

buildit in interface GadgetBuilder

Parameters:

rMngr - object containing input parameters for the request.

name - the name of the gadget - the section name in the configuration file defining the particular gadget.

Returns:

String

toString

public String toString()

Generates a String representation of the object.

Specified by:

toString in interface GadgetBuilder

Returns:

String

Overrides:

toString in class Object